![](https://www.msd-animal-health.co.za/wp-content/uploads/sites/30/2023/05/Screenshot-2023-05-03-105928.png)
Nobilis® IB Ma5
- When last did you analyse your abattoir condemnations?
Figure 1: This model shows seasonal characteristics with condemnation spike by airsacculitis in the same months of the year. The more significant viral challenge lasts approximately three months and then decreases significantly.
![](https://www.msd-animal-health.co.za/wp-content/uploads/sites/30/2023/05/image-4.png?w=960)
Figure 2:
This model shows non-seasonal characteristics, cyclic, with condemnation spike by airsacculitis in different months of the year. The more significant viral challenge is more prolonged, lasting for approximately five months.
![](https://www.msd-animal-health.co.za/wp-content/uploads/sites/30/2023/05/image-5.png?w=960)
Assayag, J. et al. (2012) ‘Epidemiology of Infectious Bronchitis and the impact in the condemnations in the slaughterhouse,’ pp. 74–79.
![](https://www.msd-animal-health.co.za/wp-content/uploads/sites/30/2023/05/image-6.png?w=960)